Denon AVC-X3900H 9.4 Ch 8K AV Amplifier Powered by HEOS®

The Denon AVC-X3900H is a 9.4-channel 8K AV amplifier with HEOS® built-in, offering 11.4-channel processing and 105W per channel output. Designed for home theatre enthusiasts who want flexible, future-ready features, it supports Dolby Atmos, DTS:X and Auro-3D alongside IMAX Enhanced certification, along with modern gaming and connectivity extras not found on Denon's older X-series models.

With Bluetooth LE Audio & Wi-Fi streaming, 360 Reality Audio support, and next-gen gaming features like VRR, ALLM, QMS and AMD FreeSync, the AVC-X3900H is built to keep pace with both current home theatre setups and next-gen consoles, while its 4 independent subwoofer outputs and 11.4 pre-outs give serious flexibility for larger speaker configurations.

Key Features

• 9.4 Channels of Amplification, 11.4 Channel Processing: 105W per channel (8 ohms, 2ch driven) with Class AB amplification, offering flexible processing headroom for expanded speaker layouts.
• Dolby Atmos, DTS:X, Auro-3D & IMAX Enhanced: Full immersive surround format support for accurate, cinema-grade playback.
• 4 Independent Subwoofer Outputs: Greater control over bass management across your room compared to standard dual-subwoofer setups.
• Dirac Live, Dirac Live Bass Control & Dirac ART Ready: Three tiers of Dirac room correction readiness for advanced acoustic tuning, alongside Audyssey MultEQ XT32.
• Next-Gen Gaming Support: VRR, ALLM, QMS, QFT and AMD FreeSync support for smooth, low-latency gaming on compatible displays and consoles.
• 8K/60Hz & 4K/120Hz HDMI 2.1 Pass-Through: HDCP 2.3 support across 6 HDMI inputs and 3 outputs (1 x eARC).
• 360 Reality Audio & High-Resolution Playback: Supports ALAC, FLAC, WAV and AIFF up to 24-bit/192kHz, plus Sony's 360 Reality Audio format.
• Bluetooth LE Audio, Apple AirPlay 2 & Wi-Fi Streaming: Modern wireless connectivity with HEOS® built-in for multi-room audio.
• Web UI Setup & HDMI Diagnostics: Simplifies installation and troubleshooting through a browser-based interface.

Designed for Music & Home Theatre

The AVC-X3900H is built as a flexible home theatre amplifier, with enough processing headroom and subwoofer control for immersive Atmos/DTS:X layouts in movies and gaming. Its 360 Reality Audio and high-resolution format support also make it a capable choice for music listening, with HEOS enabling multi-room playback and Multi-Zone Audio & Video for whole-home entertainment.

AVC-X3900H Specifications

Why Choose the Denon AVC-X3900H?

The AVC-X3900H stands out in Denon's X-series lineup with genuinely newer-generation features — Bluetooth LE Audio, 360 Reality Audio, triple-tier Dirac readiness, and full next-gen gaming support (VRR, ALLM, QMS, AMD FreeSync) — at a mid-range price point. For buyers who want a future-ready home theatre amplifier with strong bass management and gaming credentials, it's a compelling step up from older-generation X-series models.

Frequently Asked Questions

Is the Denon AVC-X3900H sold as a single unit?
Yes, the AVC-X3900H is a single AV amplifier unit.

How many channels does the AVC-X3900H support?
It offers 9.4 channels of amplification with 11.4-channel processing, at 105W per channel (8 ohms, 2ch driven).

Does the AVC-X3900H support 8K video?
Yes, it supports 8K/60Hz and 4K/120Hz pass-through with HDCP 2.3 support.

Is the AVC-X3900H good for gaming?
Yes, it supports VRR, ALLM, QMS, QFT and AMD FreeSync for smooth, low-latency gaming.

Does the AVC-X3900H include Dirac room correction?
Yes, it's Dirac Live Ready, Dirac Live Bass Control Ready and Dirac ART Ready, alongside Audyssey MultEQ XT32.

How many subwoofer outputs does the AVC-X3900H have?
It has 4 independent subwoofer outputs for advanced bass management.